gemini-cli/packages/core/src/utils/getFolderStructure.test.ts

344 lines
11 KiB
TypeScript

/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
/* eslint-disable @typescript-eslint/no-explicit-any */
import { describe, it, expect, vi, beforeEach, afterEach, Mock } from 'vitest';
import fsPromises from 'fs/promises';
import { Dirent as FSDirent } from 'fs';
import * as nodePath from 'path';
import { getFolderStructure } from './getFolderStructure.js';
import * as gitUtils from './gitUtils.js';
import { FileDiscoveryService } from '../services/fileDiscoveryService.js';
vi.mock('path', async (importOriginal) => {
const original = (await importOriginal()) as typeof nodePath;
return {
...original,
resolve: vi.fn((str) => str),
// Other path functions (basename, join, normalize, etc.) will use original implementation
};
});
vi.mock('fs/promises');
vi.mock('./gitUtils.js');
// Import 'path' again here, it will be the mocked version
import * as path from 'path';
// Helper to create Dirent-like objects for mocking fs.readdir
const createDirent = (name: string, type: 'file' | 'dir'): FSDirent => ({
name,
isFile: () => type === 'file',
isDirectory: () => type === 'dir',
isBlockDevice: () => false,
isCharacterDevice: () => false,
isSymbolicLink: () => false,
isFIFO: () => false,
isSocket: () => false,
parentPath: '',
path: '',
});
describe('getFolderStructure', () => {
beforeEach(() => {
vi.resetAllMocks();
// path.resolve is now a vi.fn() due to the top-level vi.mock.
// We ensure its implementation is set for each test (or rely on the one from vi.mock).
// vi.resetAllMocks() clears call history but not the implementation set by vi.fn() in vi.mock.
// If we needed to change it per test, we would do it here:
(path.resolve as Mock).mockImplementation((str: string) => str);
// Re-apply/define the mock implementation for fsPromises.readdir for each test
(fsPromises.readdir as Mock).mockImplementation(
async (dirPath: string | Buffer | URL) => {
// path.normalize here will use the mocked path module.
// Since normalize is spread from original, it should be the real one.
const normalizedPath = path.normalize(dirPath.toString());
if (mockFsStructure[normalizedPath]) {
return mockFsStructure[normalizedPath];
}
throw Object.assign(
new Error(
`ENOENT: no such file or directory, scandir '${normalizedPath}'`,
),
{ code: 'ENOENT' },
);
},
);
});
afterEach(() => {
vi.restoreAllMocks(); // Restores spies (like fsPromises.readdir) and resets vi.fn mocks (like path.resolve)
});
const mockFsStructure: Record<string, FSDirent[]> = {
'/testroot': [
createDirent('file1.txt', 'file'),
createDirent('subfolderA', 'dir'),
createDirent('emptyFolder', 'dir'),
createDirent('.hiddenfile', 'file'),
createDirent('node_modules', 'dir'),
],
'/testroot/subfolderA': [
createDirent('fileA1.ts', 'file'),
createDirent('fileA2.js', 'file'),
createDirent('subfolderB', 'dir'),
],
'/testroot/subfolderA/subfolderB': [createDirent('fileB1.md', 'file')],
'/testroot/emptyFolder': [],
'/testroot/node_modules': [createDirent('somepackage', 'dir')],
'/testroot/manyFilesFolder': Array.from({ length: 10 }, (_, i) =>
createDirent(`file-${i}.txt`, 'file'),
),
'/testroot/manyFolders': Array.from({ length: 5 }, (_, i) =>
createDirent(`folder-${i}`, 'dir'),
),
...Array.from({ length: 5 }, (_, i) => ({
[`/testroot/manyFolders/folder-${i}`]: [
createDirent('child.txt', 'file'),
],
})).reduce((acc, val) => ({ ...acc, ...val }), {}),
'/testroot/deepFolders': [createDirent('level1', 'dir')],
'/testroot/deepFolders/level1': [createDirent('level2', 'dir')],
'/testroot/deepFolders/level1/level2': [createDirent('level3', 'dir')],
'/testroot/deepFolders/level1/level2/level3': [
createDirent('file.txt', 'file'),
],
};
it('should return basic folder structure', async () => {
const structure = await getFolderStructure('/testroot/subfolderA');
const expected = `
Showing up to 200 items (files + folders).
/testroot/subfolderA/
├───fileA1.ts
├───fileA2.js
└───subfolderB/
└───fileB1.md
`.trim();
expect(structure.trim()).toBe(expected);
});
it('should handle an empty folder', async () => {
const structure = await getFolderStructure('/testroot/emptyFolder');
const expected = `
Showing up to 200 items (files + folders).
/testroot/emptyFolder/
`.trim();
expect(structure.trim()).toBe(expected.trim());
});
it('should ignore folders specified in ignoredFolders (default)', async () => {
const structure = await getFolderStructure('/testroot');
const expected = `
Showing up to 200 items (files + folders). Folders or files indicated with ... contain more items not shown, were ignored, or the display limit (200 items) was reached.
/testroot/
├───.hiddenfile
├───file1.txt
├───emptyFolder/
├───node_modules/...
└───subfolderA/
├───fileA1.ts
├───fileA2.js
└───subfolderB/
└───fileB1.md
`.trim();
expect(structure.trim()).toBe(expected);
});
it('should ignore folders specified in custom ignoredFolders', async () => {
const structure = await getFolderStructure('/testroot', {
ignoredFolders: new Set(['subfolderA', 'node_modules']),
});
const expected = `
Showing up to 200 items (files + folders). Folders or files indicated with ... contain more items not shown, were ignored, or the display limit (200 items) was reached.
/testroot/
├───.hiddenfile
├───file1.txt
├───emptyFolder/
├───node_modules/...
└───subfolderA/...
`.trim();
expect(structure.trim()).toBe(expected);
});
it('should filter files by fileIncludePattern', async () => {
const structure = await getFolderStructure('/testroot/subfolderA', {
fileIncludePattern: /\.ts$/,
});
const expected = `
Showing up to 200 items (files + folders).
/testroot/subfolderA/
├───fileA1.ts
└───subfolderB/
`.trim();
expect(structure.trim()).toBe(expected);
});
it('should handle maxItems truncation for files within a folder', async () => {
const structure = await getFolderStructure('/testroot/subfolderA', {
maxItems: 3,
});
const expected = `
Showing up to 3 items (files + folders).
/testroot/subfolderA/
├───fileA1.ts
├───fileA2.js
└───subfolderB/
`.trim();
expect(structure.trim()).toBe(expected);
});
it('should handle maxItems truncation for subfolders', async () => {
const structure = await getFolderStructure('/testroot/manyFolders', {
maxItems: 4,
});
const expectedRevised = `
Showing up to 4 items (files + folders). Folders or files indicated with ... contain more items not shown, were ignored, or the display limit (4 items) was reached.
/testroot/manyFolders/
├───folder-0/
├───folder-1/
├───folder-2/
├───folder-3/
└───...
`.trim();
expect(structure.trim()).toBe(expectedRevised);
});
it('should handle maxItems that only allows the root folder itself', async () => {
const structure = await getFolderStructure('/testroot/subfolderA', {
maxItems: 1,
});
const expectedRevisedMax1 = `
Showing up to 1 items (files + folders). Folders or files indicated with ... contain more items not shown, were ignored, or the display limit (1 items) was reached.
/testroot/subfolderA/
├───fileA1.ts
├───...
└───...
`.trim();
expect(structure.trim()).toBe(expectedRevisedMax1);
});
it('should handle non-existent directory', async () => {
// Temporarily make fsPromises.readdir throw ENOENT for this specific path
const originalReaddir = fsPromises.readdir;
(fsPromises.readdir as Mock).mockImplementation(
async (p: string | Buffer | URL) => {
if (p === '/nonexistent') {
throw Object.assign(new Error('ENOENT'), { code: 'ENOENT' });
}
return originalReaddir(p);
},
);
const structure = await getFolderStructure('/nonexistent');
expect(structure).toContain(
'Error: Could not read directory "/nonexistent"',
);
});
it('should handle deep folder structure within limits', async () => {
const structure = await getFolderStructure('/testroot/deepFolders', {
maxItems: 10,
});
const expected = `
Showing up to 10 items (files + folders).
/testroot/deepFolders/
└───level1/
└───level2/
└───level3/
└───file.txt
`.trim();
expect(structure.trim()).toBe(expected);
});
it('should truncate deep folder structure if maxItems is small', async () => {
const structure = await getFolderStructure('/testroot/deepFolders', {
maxItems: 3,
});
const expected = `
Showing up to 3 items (files + folders).
/testroot/deepFolders/
└───level1/
└───level2/
└───level3/
`.trim();
expect(structure.trim()).toBe(expected);
});
});
describe('getFolderStructure gitignore', () => {
beforeEach(() => {
vi.resetAllMocks();
(path.resolve as Mock).mockImplementation((str: string) => str);
(fsPromises.readdir as Mock).mockImplementation(async (p) => {
const path = p.toString();
if (path === '/test/project') {
return [
createDirent('file1.txt', 'file'),
createDirent('node_modules', 'dir'),
createDirent('ignored.txt', 'file'),
createDirent('.gemini', 'dir'),
] as any;
}
if (path === '/test/project/node_modules') {
return [createDirent('some-package', 'dir')] as any;
}
if (path === '/test/project/.gemini') {
return [
createDirent('config.yaml', 'file'),
createDirent('logs.json', 'file'),
] as any;
}
return [];
});
(fsPromises.readFile as Mock).mockImplementation(async (p) => {
const path = p.toString();
if (path === '/test/project/.gitignore') {
return 'ignored.txt\nnode_modules/\n.gemini/\n!/.gemini/config.yaml';
}
return '';
});
vi.mocked(gitUtils.isGitRepository).mockReturnValue(true);
});
it('should ignore files and folders specified in .gitignore', async () => {
const fileService = new FileDiscoveryService('/test/project');
await fileService.initialize();
const structure = await getFolderStructure('/test/project', {
fileService,
});
expect(structure).not.toContain('ignored.txt');
expect(structure).toContain('node_modules/...');
expect(structure).not.toContain('logs.json');
});
it('should not ignore files if respectGitIgnore is false', async () => {
const fileService = new FileDiscoveryService('/test/project');
await fileService.initialize({ respectGitIgnore: false });
const structure = await getFolderStructure('/test/project', {
fileService,
});
expect(structure).toContain('ignored.txt');
// node_modules is still ignored by default
expect(structure).toContain('node_modules/...');
});
});